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Related to join forces: Canadian armed forces
join forces (with one)
To work together with one. If you two join forces, you might just win the election after all. I'm sorry, but you're going to have to join forces with Michael if you want to get this done.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
join forces (with someone)
Fig. to combine one's efforts with someone else's efforts. The older boys joined forces with the younger ones to sing the school song. Let's join forces with the other faction and run our own slate of candidates.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
Act together, combine efforts. For example, The public relations people joined forces to get better coverage for their candidates. This expression originally referred to combining military forces. [Mid-1500s]
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
join/combine ˈforces (with somebody)work together in order to achieve a shared aim: The two firms joined forces to win the contract. OPPOSITE: part company (with/from somebody/something)
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